curl --request POST \
  --url https://platform.postcode.gov.ng/v1/widget/selected \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "selection": {
    "version": 1,
    "postcode": "FC02A09DB09",
    "formatted": "FC-02-A09-DB-09",
    "level": 3,
    "segments": {
      "state": "FC",
      "lga": "02",
      "district": "A09",
      "area": "DB",
      "unit": "09"
    },
    "names": {
      "state": "<string>",
      "lga": "<string>",
      "district": "<string>",
      "area": "<string>"
    },
    "latitude": 123,
    "longitude": 123,
    "label": "<string>"
  }
}
'

import requests

url = "https://platform.postcode.gov.ng/v1/widget/selected"

payload = { "selection": {
        "version": 1,
        "postcode": "FC02A09DB09",
        "formatted": "FC-02-A09-DB-09",
        "level": 3,
        "segments": {
            "state": "FC",
            "lga": "02",
            "district": "A09",
            "area": "DB",
            "unit": "09"
        },
        "names": {
            "state": "<string>",
            "lga": "<string>",
            "district": "<string>",
            "area": "<string>"
        },
        "latitude": 123,
        "longitude": 123,
        "label": "<string>"
    } }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    selection: {
      version: 1,
      postcode: 'FC02A09DB09',
      formatted: 'FC-02-A09-DB-09',
      level: 3,
      segments: {state: 'FC', lga: '02', district: 'A09', area: 'DB', unit: '09'},
      names: {state: '<string>', lga: '<string>', district: '<string>', area: '<string>'},
      latitude: 123,
      longitude: 123,
      label: '<string>'
    }
  })
};

fetch('https://platform.postcode.gov.ng/v1/widget/selected', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://platform.postcode.gov.ng/v1/widget/selected",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'selection' => [
        'version' => 1,
        'postcode' => 'FC02A09DB09',
        'formatted' => 'FC-02-A09-DB-09',
        'level' => 3,
        'segments' => [
                'state' => 'FC',
                'lga' => '02',
                'district' => 'A09',
                'area' => 'DB',
                'unit' => '09'
        ],
        'names' => [
                'state' => '<string>',
                'lga' => '<string>',
                'district' => '<string>',
                'area' => '<string>'
        ],
        'latitude' => 123,
        'longitude' => 123,
        'label' => '<string>'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://platform.postcode.gov.ng/v1/widget/selected"

	payload := strings.NewReader("{\n  \"selection\": {\n    \"version\": 1,\n    \"postcode\": \"FC02A09DB09\",\n    \"formatted\": \"FC-02-A09-DB-09\",\n    \"level\": 3,\n    \"segments\": {\n      \"state\": \"FC\",\n      \"lga\": \"02\",\n      \"district\": \"A09\",\n      \"area\": \"DB\",\n      \"unit\": \"09\"\n    },\n    \"names\": {\n      \"state\": \"<string>\",\n      \"lga\": \"<string>\",\n      \"district\": \"<string>\",\n      \"area\": \"<string>\"\n    },\n    \"latitude\": 123,\n    \"longitude\": 123,\n    \"label\": \"<string>\"\n  }\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://platform.postcode.gov.ng/v1/widget/selected")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"selection\": {\n    \"version\": 1,\n    \"postcode\": \"FC02A09DB09\",\n    \"formatted\": \"FC-02-A09-DB-09\",\n    \"level\": 3,\n    \"segments\": {\n      \"state\": \"FC\",\n      \"lga\": \"02\",\n      \"district\": \"A09\",\n      \"area\": \"DB\",\n      \"unit\": \"09\"\n    },\n    \"names\": {\n      \"state\": \"<string>\",\n      \"lga\": \"<string>\",\n      \"district\": \"<string>\",\n      \"area\": \"<string>\"\n    },\n    \"latitude\": 123,\n    \"longitude\": 123,\n    \"label\": \"<string>\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://platform.postcode.gov.ng/v1/widget/selected")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"selection\": {\n    \"version\": 1,\n    \"postcode\": \"FC02A09DB09\",\n    \"formatted\": \"FC-02-A09-DB-09\",\n    \"level\": 3,\n    \"segments\": {\n      \"state\": \"FC\",\n      \"lga\": \"02\",\n      \"district\": \"A09\",\n      \"area\": \"DB\",\n      \"unit\": \"09\"\n    },\n    \"names\": {\n      \"state\": \"<string>\",\n      \"lga\": \"<string>\",\n      \"district\": \"<string>\",\n      \"area\": \"<string>\"\n    },\n    \"latitude\": 123,\n    \"longitude\": 123,\n    \"label\": \"<string>\"\n  }\n}"

response = http.request(request)
puts response.read_body